Olivia and her sister Georgia are looking forward to a Cornish holiday filled with sand, surfing and fish and chips. Instead, soon after arriving at their seaside cottage, the girls stumble across a crumbling old smugglers' tunnel hidden behind a wall. They venture inside and start exploring deep underground. Transported back in time, they find themselves in the thick of a magical and dangerous adventure. Their world collides with the smuggling era of the 1700s when they meet Joey, a boy who's in a lot of trouble and needs their help
This exciting tale will delight all children aged 8 to 100 years old and is the first in a series of three books. The buildings and places featured in the story are all real locations in and around the Cornish village of Mousehole, which is not far from Penzance.